199676664 has 160 divisors (see below), whose sum is σ = 618116400. Its totient is φ = 59719680.

The previous prime is 199676657. The next prime is 199676671. The reversal of 199676664 is 466676991.

199676664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199676657) and next prime (199676671).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 199676664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 776824 + ... + 777080.

Almost surely, 2^199676664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199676664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309058200).

199676664 is an abundant number, since it is smaller than the sum of its proper divisors (418439736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199676664 is a wasteful number, since it uses less digits than its factorization.

199676664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 382 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 199676664 is about 14130.6993457507. The cubic root of 199676664 is about 584.4882309263.

The spelling of 199676664 in words is "one hundred ninety-nine million, six hundred seventy-six thousand, six hundred sixty-four".